CVE-2013-3893 KEV EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 87.5% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2025-09-02.
Description
Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript strings, as demonstrated by use of an ms-help: URL that triggers loading of hxds.dll.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 87.53% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | yes — remediate by 2025-09-02 |
| Public exploit | yes |
| Published | 2013-09-18 |
| Last modified | 2026-06-16 |
CISA KEV
| Name | Microsoft Internet Explorer Resource Management Errors Vulnerability |
|---|---|
| Added | 2025-08-12 |
| Due | 2025-09-02 |
| Vendor / product | Microsoft / Internet Explorer |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| microsoft | internet explorer |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Internet Explorer 8 - 'SetMouseCapture ' Use After Free | 2021-05-17 |
| exploit-db | Micorosft Internet Explorer - SetMouseCapture Use-After-Free (Metasploit) | 2013-10-02 |
References
- http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx
- http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
- http://jvn.jp/en/jp/JVN27443259/index.html
- http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
- http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html
- http://pastebin.com/raw.php?i=Hx1L5gu6
- http://technet.microsoft.com/security/advisory/2887505
- http://www.securityfocus.com/bid/62453
- http://www.us-cert.gov/ncas/alerts/TA13-288A
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665
- http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx
- http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
- http://jvn.jp/en/jp/JVN27443259/index.html
- http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html
- http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html
- http://pastebin.com/raw.php?i=Hx1L5gu6
- http://technet.microsoft.com/security/advisory/2887505
- http://www.securityfocus.com/bid/62453
- http://www.us-cert.gov/ncas/alerts/TA13-288A
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